Granted Patent
Utility
US 5,039,655 · App. 07/387,202
Thin film memory device having superconductor keeper for eliminating magnetic domain creep
Inventor:
Raghavan K. Pisharody
Patented Case
View Patent ↗
Granted: Aug 13, 1991
Filed: Jul 28, 1989
Inventor
Raghavan K. Pisharody
Assignee (at issue)
Ampex Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.